would ban more than 150 assault-style weapons and high-capacity magazines but she concedes it has a slim chance of making it through the congress. >>> a man who knows about gun violence, he knows because he killed three people, was greeted with applause tonight as he took the stage for first time since getting out of prison. this guy isn't just any killer. joe vazquez shows us he was a bay area music superstar. >> reporter: rick stevens is out and loving every second of his freedom. back in the day, late 60's, early 70's, stevens was on top of the world as the lead singer of tower of power, a bay area band known around the globe for its funky beats. but then stevens left the band, got wrapped up in drugs. then it got worse, much worse. >> i was just like a jackass in a jumpsuit. i was a damn fool. >> reporter: he ended up shooting three men to death. two of them were drug dealers he owed money. the judge sent him to death row. >> i just said, well, i did the crime. i'm gonna do the time or whatever, lord. i'm ready to meet my maker. >> reporter: then a stroke of luck. california's death